Mbh 7.20.1b

In the tail stood Vikartana’s son Karna, with his sons, kinsmen and friends, and surrounded by a large force raised from diverse realms, Jayadratha, and Bhimaratha, and Sampati, and the Jays, and the Bhojas, and Bhuminjaya, and Vrisha, and Kratha, and the mighty ruler of the Nishadhas, all accomplished in battle, surrounded by a large host and keeping the region of Brahma before their eyes, stood, O king, in the heart of that array. That array, formed by Drona, in consequence of its foot-soldiers, steeds, cars and elephants, seemed to surge like the tempest-tossed ocean (as it advanced to battle). Warriors, desirous of battle, began to start out from the wings and sides of that array, like roaring clouds charged with lightning rushing from all sides (in the welkin) at summer. And in the midst of that army, the ruler of the Pragjyotishas, mounted on his duly equipped elephant, looked resplendent, O king, like the rising sun. Decked, O monarch, in garlands of flower, and with a white umbrella held over his head, he looked like the full moon when in conjunction with the constellation Krittika. And blind with the wine-like exudation, the elephant, looking like a mass of black antimony, shone like a huge mountain washed by mighty clouds (with their showers). And the ruler of the Pragjyotishas was surrounded by many heroic kings of the hilly countries, armed with diverse weapons, like Sakra himself surrounded by the celestials. Then Yudhishthira, beholding that superhuman array incapable of being vanquished by foes in battle, addressed Prishata’s son, saying, “O lord, O thou that ownest steeds white as pigeons, let such measures be adopted that I may not be taken a prisoner by the Brahmana.”